Search a number
-
+
842845256 = 231161915473
BaseRepresentation
bin110010001111001…
…100110001001000
32011201221222022222
4302033030301020
53211232022011
6215345033212
726613031541
oct6217146110
92151858288
10842845256
113a2845130
121b6325808
13105804806
147dd1d4c8
154dedbddb
hex323ccc48

842845256 has 32 divisors (see below), whose sum is σ = 1726898400. Its totient is φ = 382467840.

The previous prime is 842845253. The next prime is 842845271. The reversal of 842845256 is 652548248.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (842845253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46736 + ... + 62208.

It is an arithmetic number, because the mean of its divisors is an integer number (53965575).

Almost surely, 2842845256 is an apocalyptic number.

It is an amenable number.

842845256 is an abundant number, since it is smaller than the sum of its proper divisors (884053144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842845256 is a wasteful number, since it uses less digits than its factorization.

842845256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16109 (or 16105 counting only the distinct ones).

The product of its digits is 614400, while the sum is 44.

The square root of 842845256 is about 29031.7973263799. The cubic root of 842845256 is about 944.6029166983.

The spelling of 842845256 in words is "eight hundred forty-two million, eight hundred forty-five thousand, two hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 619 1238 2476 4952 6809 13618 15473 27236 30946 54472 61892 123784 170203 340406 680812 1361624 9577787 19155574 38311148 76622296 105355657 210711314 421422628 842845256